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Home For Sale
5 Harbor Pt
Key Biscayne, Florida 33149
Miami-Dade CountyWaterfront:
YesCommunity: Matheson Estates
$26,000,000
3 br, 6.0 bath
10926 sq. ft.
0.000 acres
A once-in-a-generation opportunity on Key Biscayne's only private waterfront road, this extraordinary estate spans 28,800 square feet with 120 feet of pristine water frontage, a secluded sandy beach, and a private dock framing panoramic views of the Miami skyline. Offering 10,926 square feet of living space, the property delivers exceptional privacy alongside a striking contemporary design recognized as part of the esteemed Rosa de la Cruz Collection. Soaring 20-foot ceilings, sculptural architectural lines, and expansive, light-filled interiors create a dramatic backdrop for art, entertaining, or a visionary reimagining tailored to your lifestyle. A truly rare canvas in an irreplaceable location, with architectural plans available to transform it into the most exceptional residence in Key Biscayne.
Interior:
- Bedrooms: 3
- Baths: 6.0
- Sq Ft: 10926
- Year Built: 1954
- Utilities:
- Fireplaces:
- Stories:
- Heat/AC: Central, Electric (Heating)
- Garage: Driveway
Exterior:
- Lot Size: 0.000 acre
- Lot Dimensions:
- Waterfront: Yes
- View Types:
- Yard:
- Siding: Block
- Roof: Barrel, Flat
- Property Taxes: $59,191
- Swimming Pool: Yes
- MLS #: A11921513
Contact Information:
Listing Agent: Giulietta Ulloa, BHHS EWM Realty, 305-710-6620, 305-361-5600
Listing Site, Listing Status: Active
Copyright © 2025 Miami REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Copyright © 2025 Miami REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Ad Number: 6901857
Viewed 63 times.
Updated: Feb 04, 2026

